-XBT_PUBLIC(void) xbt_cfg_set_parse(const char *options);
-
-/* Set the value of the cell \a name in \a cfg with the provided value.*/
-XBT_PUBLIC(void) xbt_cfg_set_int (const char *name, int val);
-XBT_PUBLIC(void) xbt_cfg_set_double (const char *name, double val);
-XBT_PUBLIC(void) xbt_cfg_set_boolean (const char *name, const char *val);
-XBT_PUBLIC(void) xbt_cfg_set_string(const char* name, const char* val);
-XBT_PUBLIC(void) xbt_cfg_set_as_string(const char *name, const char *val);
-
-/*
- Set the default value of the cell \a name in \a cfg with the provided value.
- If it was already set to something (possibly from the command line), do nothing.
- */
-XBT_PUBLIC(void) xbt_cfg_setdefault_int (const char *name, int val);
-XBT_PUBLIC(void) xbt_cfg_setdefault_double (const char *name, double val);
-XBT_PUBLIC(void) xbt_cfg_setdefault_string (const char *name, const char *val);
-XBT_PUBLIC(void) xbt_cfg_setdefault_boolean(const char *name, const char *val);
-
-/** @brief Return if configuration is set by default*/
-XBT_PUBLIC(int) xbt_cfg_is_default_value(const char *name);
+/* Set the value of the cell @a name in @a cfg with the provided value.*/
+XBT_ATTRIB_DEPRECATED_v325("Please use simgrid::config::set_value<int>") XBT_PUBLIC
+ void xbt_cfg_set_int(const char* name, int val);
+XBT_ATTRIB_DEPRECATED_v325("Please use simgrid::config::set_value<double>") XBT_PUBLIC
+ void xbt_cfg_set_double(const char* name, double val);
+XBT_ATTRIB_DEPRECATED_v325("Please use simgrid::config::set_value<bool>") XBT_PUBLIC
+ void xbt_cfg_set_boolean(const char* name, const char* val);
+XBT_ATTRIB_DEPRECATED_v325("Please use simgrid::config::set_value<std::string>") XBT_PUBLIC
+ void xbt_cfg_set_string(const char* name, const char* val);